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Which interfaces could class C implement in order to allow each statement in the following...

Which interfaces could class C implement in order to allow each statement in the following code to work? (Choose 2)

$obj = new C();

foreach ($obj as $x => $y) {

echo $x, $y;

}

A.

Iterator

B.

ArrayAccess

C.

IteratorAggregate

D.

ArrayObject

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